libaltos: Create altos_pause_one_second API
authorKeith Packard <keithp@keithp.com>
Wed, 26 Feb 2020 06:51:54 +0000 (22:51 -0800)
committerKeith Packard <keithp@keithp.com>
Wed, 26 Feb 2020 06:52:40 +0000 (22:52 -0800)
This is to wait for the reading thread to stop using the file object
while cleaning up.

Signed-off-by: Keith Packard <keithp@keithp.com>

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